* {
  margin: 0;
  padding: 0;
}
body {
  font-size: 100px;
    /* 为了增强在ios上的滑动回弹效果 (滑动起来更加丝滑) */
  -webkit-overflow-scrolling:touch;
}
ul,
li {
  list-style: none;
}
a {
  text-decoration: none;
}
